LF431OCAPA Equivalent & Substitute Parts

Part Overview

The LF431OCAPA is a Voltage Reference IC manufactured by Diodes Incorporated, classified as a Power Management (PMIC) component. This part is designated as Obsolete product status, necessitating identification of active equivalent alternatives for ongoing design requirements and procurement needs. The LF431OCAPA serves as a precision voltage reference in power management applications requiring stable reference voltages for regulator circuits and feedback networks.

Substiute Parts

LF431OCAPA

Diodes IncorporatedIn Stock: 932LF431OCAPA Datasheet

Current PartRFQ

AP431SHAN1TR-G1

Diodes IncorporatedIn Stock: 4283AP431SHAN1TR-G1 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

The AP431SHAN1TR-G1 qualifies as a manufacturer-recommended substitute for the LF431OCAPA based on the following substitution criteria:

Functional Equivalence: Both parts operate as voltage reference ICs within the Power Management (PMIC) category, serving identical functional roles in regulator and reference voltage applications.

Manufacturer Consistency: Both components are manufactured by Diodes Incorporated, ensuring design continuity and supply chain alignment with the original equipment manufacturer.

Compliance Alignment: Both parts maintain ROHS3 compliance and REACH Unaffected status, satisfying regulatory requirements equivalent to the original part.

Trade Classification: Both parts share the identical HTSUS code (8542.39.0001), confirming classification equivalence for procurement and customs purposes.

Active Product Status: The AP431SHAN1TR-G1 maintains Active product status, providing long-term availability and supply continuity compared to the Obsolete LF431OCAPA.

Parameter Comparison

Engineering Selection Recommendations

The AP431SHAN1TR-G1 is the manufacturer-recommended substitute for the obsolete LF431OCAPA. Selection of this substitute part is based on:

Product Lifecycle Status: The LF431OCAPA is classified as Obsolete, creating supply discontinuity risk. The AP431SHAN1TR-G1 maintains Active product status, ensuring sustained availability and manufacturing support.

Regulatory Compliance: Both parts satisfy ROHS3 compliance requirements and maintain REACH Unaffected status, confirming equivalent environmental and regulatory standing.

Supply Chain Continuity: Both components are manufactured by Diodes Incorporated, maintaining original equipment manufacturer (OEM) design continuity and quality assurance standards.

Trade Classification Equivalence: Identical HTSUS classification (8542.39.0001) confirms functional and regulatory equivalence for procurement purposes.

Inventory Availability: The AP431SHAN1TR-G1 maintains significantly higher inventory levels (4200 Pcs) compared to the LF431OCAPA (882 Pcs), supporting immediate procurement requirements.

Frequently Asked Questions (FAQ)

Q: Why is the LF431OCAPA being discontinued?

A: The LF431OCAPA is classified as Obsolete product status. The AP431SHAN1TR-G1 represents the active equivalent from the same manufacturer, providing functional continuity for voltage reference applications.

Q: Are the LF431OCAPA and AP431SHAN1TR-G1 functionally equivalent?

A: Both parts operate as voltage reference ICs within the Power Management (PMIC) category and are manufactured by Diodes Incorporated. Both maintain identical regulatory compliance (ROHS3, REACH Unaffected) and trade classification (HTSUS 8542.39.0001).

Q: What is the difference in packaging between these parts?

A: The LF431OCAPA packaging specifications are not provided in the available data. The AP431SHAN1TR-G1 is supplied in Surface Mount packaging (SOT-23-3) in Tape & Reel format, standard for modern production environments.

Q: Does the AP431SHAN1TR-G1 have different moisture sensitivity requirements?

A: The LF431OCAPA specifies MSL 1 (Unlimited), while the AP431SHAN1TR-G1 specifies MSL 3 (168 Hours). This represents a more stringent moisture handling requirement for the substitute part during storage and assembly operations.

Q: Is the AP431SHAN1TR-G1 available in sufficient quantities?

A: The AP431SHAN1TR-G1 maintains 4200 Pcs in current inventory, providing adequate supply for production requirements compared to the 882 Pcs available for the obsolete LF431OCAPA.

Q: Are both parts compliant with current regulatory standards?

A: Both the LF431OCAPA and AP431SHAN1TR-G1 are ROHS3 compliant and REACH Unaffected, satisfying current environmental and regulatory requirements for electronic components.